/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.streampark.gateway.results;

import javax.annotation.Nullable;

import java.io.Serializable;
import java.util.Objects;

/** Column information. */
public class Column implements Serializable {

  private final String name;

  private final String type;

  private final @Nullable String comment;

  public Column(String name, String type, String comment) {
    this.name = name;
    this.type = type;
    this.comment = comment;
  }

  public String getName() {
    return name;
  }

  public String getType() {
    return type;
  }

  @Nullable
  public String getComment() {
    return comment;
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    Column column = (Column) o;
    return Objects.equals(name, column.name)
        && Objects.equals(type, column.type)
        && Objects.equals(comment, column.comment);
  }

  @Override
  public int hashCode() {
    return Objects.hash(name, type, comment);
  }

  @Override
  public String toString() {
    return "Column{"
        + "name='"
        + name
        + '\''
        + ", type='"
        + type
        + '\''
        + ", comment='"
        + comment
        + '\''
        + '}';
  }
}
